Split bolt.



Nu. 652,644. Patented lune 25, 1900.

T. H. Ross. SPLIT BOLT.

(Application filed. Feb; 28, 1900.) (No Model.)

, 7 j j 11w \w\\\ a; T50 cc" L, is

ASAME PLACE; i

a AssIeNM s; 51:0: THE ROSSoATTAGHMENCIlAND MACHINE COMPAN VVSBEGIFICATIQN forming" part of Letters Patent No. 6525641 dat ihe 19o l h jilicatieii filed February 28,1900. sefinmas'is. (Remodel-I .1

L To all whom it m/01y cancer-rt.-

Be'it known that-LTHQMAS H. ROSS, a subjectiof the Queen ;of Great Britain, and a resi- I dent of the city of NewrYork, borough of Brooklyn, S tate'jof New York, have invented certain new and useful Improvements in fSplit Bolts, of whichthe following is a full,

' 'elear,and exaet description, such as will enp able those skilled in the art -to which it aplq, pertains to make and use the same, reference forming pa of t i pe ab a 3 This invention relatesto improvements in Q bolts of that description which a'resPlitlength- ,jbeing had tofthe accompanying drawings,

. ,adaptedto"beiinserted infthe bifurcation rormed y .th'e split to t m the two memlfbersiapartandf y means of which the bolt is v'h ld' nljp ac I v 1 The 'invention'ieon's'ists in"the*nove1 eonfstruetieh,combination, and arrangement of fparts=, sueh as will be hereinafter fully de- 'scr'i'bed, pointed out in the appended claims,

. and illustratedintheaeeompanyingdrawings.

thefdraw'ings; i nwhich similar'letters, of

esignate correspondingpai-ts, Figis m d asis e i na rvi fijp ec s Q 'osit'io ftobe joined together and a boltfen'ibodyin gthe invens t d -iin-"the*said pieees of sem nar-view showing mp0 tion'and-thewedge partly insa siniilar'viewshowingthe Fig 448 splat view of the isja view of the bolt, showing 7 of; thesame at-"thehol'e" in A r g lpihis placed. fF ig; G'isa V vfiewjof theloekingiiinj, Fig: Tisa view o a he bolt',''si m ilar' to thatfi -"4o withfthe' locking-pin in pla'ee.' XF 8 1s .a f sect onal vigew'en the line 8-8"of Theihead A of 'th'ebolt 'is he L shape, and its inneF-fac'ei A ie-somewhat 'd-ished and-.ftorms-i an acute angle with the" 5 shank of the bolt; The curved face of the head of the bolt meeting with the in'n'er faee A forms the circular'edge A 7 The shank B is bifuroatedat' the end opposite the head A. A longitudinal slot B enters the shank and extends about three- TJSPLIT BOLT.

" is wise at one end and, provided with a'weege" f'ber'B isTorui'ed." The-bifureated 'ehd 'oi' the de'r O The'head isso shap I two members of thesam'e are forcedtogether, 'as show'nin Fig;

o ute rend-of the supplemental head ista' iered so that when its tw apart the extreme end e'ter 1ess thauthat'f back of jthe' hea'd A Th'ewed'ge D is h e and its dimensions are tfome ar -theksh'a'uk th'e sine "entire length: wedge is ductile te sueh an hown Fig'.'--5,'=

is'pherieal in bolt is seleeteda'tmfitvthe repelling. e

fourths its length. This slot'is substantially wedge shape in' form and at its inner-end opens into the circular recess B p'assing transversely through the shank 'In the reboss is secured the loekiu'g-pin-B yof lessdiameter than that of said recess. iTh e -pi 'n is held in place by the shoulders B pro" otin'g from its ends and'welded-or other'wise 'se- .cured in the ends or the re eSs The onter ends oft-he pin are shaped t0 -fi1l the outer 6o endsof the recess,so-a's to 'm'akean unbroken surface. It is to be observed that between the wall of the recessandf the"- pin iuside of the shoulders of thelat'ter', an annul a'r 'ehaini 5 shank is provided with a suppl'emen talihead C, somewhat inthe shapeef the frustunr'of a cone; The o'uterffaee GF and the inner-face imular: sheu'lr C? come together and form .that 'when the' 7o g I V mines; the diameter ofthe shoulder'Cfll shank immediately 1) ember-s" are 's'pread iii haveia' r'dtam "e shankimm in place theme memb han xt'enit' as to give j d inet hrofughou sir}; The

re mitit being bent without fracture: :fllirehead D is shaped toeoufofimwith thesupplemepf t-al head G," mete mam ime previ'ded fiirithg n'otehes 1D to receive: withdrawing-111.001

which are "tobe 3heldw 'te'gether; ie;;the sleeve These three parts are arranged =s -t their openings register:withanaehgeth bolt will have a shank with a diameteriiimmeidiately baekfiofi the: headnAil ittle; less {th the same throughout its length. As the inner end of the bolt has a diameter less than that of the shank, and consequentlyless than that of the openings, it can be readily introduced into the opening in the plate A. After the inner end of the bolt is inserted in the opening it is driven through the plates and the sleeve. In its passage into the first hole the tapering outer face O'of the supple- 1O mental head by bearing against the side of the hole forces the two members of the bifurcation together. .As the diameter of the shoulder C when the two members are forced together isthe' same, or it may be less, as that of the shank immediately back of the head A,it will readily pass throughthe open- -in gs. After the supplemental head has passed through the hole in the second plate the two members of the bifurcation will spring apart :0 owing to the elasticity of the metal.

It is to benoticed that the distance between the circular edge A of the head of the bolt and the. inner face C of the supplemental head is. less than the distance between the enter faces of the plates-E and E, so that when thebolt is in place the inner face 0 bears on the edge of the hole in the plate E, as shown in Fig. 2.

After the bolt has been placed in position the wedge D is inserted between the two members of the supplemental head. As the wedge is drivenin, it gradually forces the two members of the bifurcation apart. By reason of the beveled face 0 bearing on the edge of the metal the plates and the sleeve are drawn tightly together." The force with which these parts are drawn together is sufficient to slightly upset the edge of the metal .againstwhich the. beveled face C bears and 0 also to slightly turn theedgeA of the head Act the bolt. sleeve are firmly securedtogether. The inner edge of the ,wedge as the .latter is driven in will enter the annular chamber B and bend around the pin B. This will secure the wedge against accidental displacement. When itis desired to remove the bolt, the

wedge is withdrawn by a suitable tool adapted to engage .with the notches D.""As the inner edge of the wedge is ductile, it will unbend without fracture from around the pin as the wedge is withdrawn. By driving on the inner end of the bolt it can be easily dis- "placed. 7 In this way a bolt is-provided which 5 5 will-firmly unite the parts to be connected and which at the sametime can be easily removed without destroying any of its parts or injuring them so as to prevent their-furtheruse. Y

- I claim, and desire to secure byLetters Patent, ise v y 1. In a bolt, the combination of a shank By this means the plates and Having thus described my invention, what l bifurcated at one, end and having a recess at the inner end of the bifurcation, a pin secured in said recess, and awedge adapted to be infserted in the bifurcationand its inner end bent-around said pin. 7

2. In a bolt, the combination of a shank bifurcated at one'end and having a recess at the inner end of the bifurcation, a pin secured in said recess, asupplemental head at the'bifurcated end of the shank having a tapering outerpe'riphery and a beveled inner face, and a wedge adapted to be inserted in the bifurcation and its inner end bent around said in. Y

3. n a bolt, the combination of a shank bifurcated at oneend,.a head at the other end of said shank, a supplemental head at the bifurcated end of the shank having a shoulder with a diameter the same as that of the solid part of the shank when the two members of the bifurcation are pressedtogether and also having a periphery tapering toward its end which has a diameter the same as that of the solid part of the shank when the two members of the bifurcation are separated, and a wedge adapted to be inserted in the bifurc'a tion of said shank.

4. In a bolt, thecombination of a shank bifurcated at one end, a head at the other end of said shank having its inner face dished, a supplemental head at the bifurcated end of the shank having a beveled innerfaceand provided with a shoulder having a diameter the same as that of the solid part of the shank when the two members of the bifurcation are. pressed together and also having a periphery tapering toward its end which has a diameter. n the same as that of the solid part of .the shank when the members "of the bifurcation are spread apart, and a wedge adapted to be inserted in the bifurcation of the shank.

5. .In va bolt, the combination of a 'shank r bifurcated at one end and having'a recess at the inner end of the bifurcation, a pin secured in said recess, a head at the solid-end of said shank, a supplementalhead at the bifurcated end of the shank having a beveled inner face 1 and provided with a shoulder with a diameter the same as that of the solid part of the shank when tlietwo iii'embersof the bifnrcati'orrare forced together and also having aperiphery tapering toward its end whichhas a diameter 1 the same as that of the solid part of the shankwhen the members of the bifurcation are separated, and a wedge adapted to be inserted in the bifurcation and its inner end bentaround said pin.

r In testimony whereof I have signed my name to this specification in the presence of 7 two subscribing witnesses, I

" THOMAS H. ROSS. Witnesses: I

R. B. Looms, T. F. FAY. 

